That's partial result after compilation with Boost.Log under v1. c:\program files (x86)\boost\boost_1_51_0\boost\log\sources\global_logger_storage.hpp(136): warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details. 4> d:\visual studio 11.0\vc\include\stdio.h(357) : see declaration of 'sprintf' 4> c:\program files (x86)\boost\boost_1_51_0\boost\log\sources\global_logger_storage.hpp(122) : while compiling class template member function 'void boost::log_mt_nt5::sources::aux::logger_singleton<TagT>::init_instance(void)' 4> with 4> [ 4> TagT=boost::log_mt_nt5::trivial::logger 4> ] 4> c:\program files (x86)\boost\boost_1_51_0\boost\log\detail\singleton.hpp(43) : see reference to function template instantiation 'void boost::log_mt_nt5::sources::aux::logger_singleton<TagT>::init_instance(void)' being compiled 4> with 4> [ 4> TagT=boost::log_mt_nt5::trivial::logger 4> ] 4> c:\program files (x86)\boost\boost_1_51_0\boost\log\trivial.hpp(100) : see reference to class template instantiation 'boost::log_mt_nt5::sources::aux::logger_singleton<TagT>' being compiled 4> with 4> [ 4> TagT=boost::log_mt_nt5::trivial::logger 4> ] 4> manster_logger.cpp 4>c:\program files (x86)\boost\boost_1_51_0\boost\log\sources\channel_feature.hpp(190): error C2248: 'boost::log_mt_nt5::sources::basic_logger<CharT,FinalT,ThreadingModelT>::operator =' : cannot access private member declared in class 'boost::log_mt_nt5::sources::basic_logger<CharT,FinalT,ThreadingModelT>' 4> with 4> [ 4> CharT=char, 4> FinalT=manster::logger::manster_logger_mt, 4> ThreadingModelT=boost::log_mt_nt5::sources::multi_thread_model<boost::log_mt_nt5::aux::light_rw_mutex> 4> ] 4> c:\program files (x86)\boost\boost_1_51_0\boost\log\sources\basic_logger.hpp(291) : see declaration of 'boost::log_mt_nt5::sources::basic_logger<CharT,FinalT,ThreadingModelT>::operator =' 4> with 4> [ 4> CharT=char, 4> FinalT=manster::logger::manster_logger_mt, 4> ThreadingModelT=boost::log_mt_nt5::sources::multi_thread_model<boost::log_mt_nt5::aux::light_rw_mutex> 4> ] 4> This diagnostic occurred in the compiler generated function 'boost::log_mt_nt5::sources::basic_channel_logger<BaseT,ChannelT> &boost::log_mt_nt5::sources::basic_channel_logger<BaseT,ChannelT>::operator =(const boost::log_mt_nt5::sources::basic_channel_logger<BaseT,ChannelT> &)' 4> with 4> [ 4> BaseT=boost::log_mt_nt5::sources::basic_logger<char,manster::logger::manster_logger_mt,boost::log_mt_nt5::sources::multi_thread_model<boost::log_mt_nt5::aux::light_rw_mutex>>, 4> ChannelT=std::basic_string<char,std::char_traits<char>,std::allocator<char>> 4> ] -- View this message in context: http://boost.2283326.n4.nabble.com/Boost-Logging-1-51-Using-VS2012-tp4641144... Sent from the Boost - Dev mailing list archive at Nabble.com.